The North-American papers had of late been indulging in the most extravagant terms of praise with regard to a lady singer who, according to the Yankee critics, was possessed of a voice such as no mortal had ever yet heard of, surpassing in compass and quality everything that could be imagined; a talent whereby all the artists of former ages--if history could be relied on--ladies like Catalani, Malibran, Henriette Sonntag, Jenny Lind, or the Pattis, were really no more in comparison than a cricket to a nightingale. Of course, as might be imagined, these reports from across the Atlantic had created an immense stir in the musical world of Londinia. From all directions the managers of concerts and operas had been induced to negotiate with this marvellous talent, so that it should no longer be hidden from the musical inhabitants of Londinia. But, then, all these reports emanated from the States, the fons et origo of humbug; and, probably taught by experience, the managers had all clubbed together, and, at their joint expense, despatched a telegram to the gifted artist, requesting her to allow her marvellous power to be tested by means of the telephon. That would, at all events, enable them to judge of the compass and quality of her voice. To this the lady had consented, and thereupon the managers had hired one of the transatlantic telegraph cables, on which the experiment had been made. As a clear indication of the compass of the voice, I was shown sundry slips of black paper on which could be seen numerous curved white lines; the latter had been traced upon the paper by the phonautographer standing behind the telephon, and were supposed to mark the musical scales within compass of the lady's voice. An impression of these slips of paper was to appear, on the following morning, in the musical journal, Panharmonia, in order that "the eyes of the inhabitants of Londinia might anticipate the glorious treat in store for the musical ears of the great metropolis." "For," added the editor of the Panharmonia, "all connoisseurs in music know the meaning of these little waves. Won't they be astonished when they see a tone like this!" Saying this, he pointed with his finger to the very extreme line where the little curves met as near as possible. Of course I was longing to examine the construction of the telephon. I was just about to ask one of the gentlemen present to give me some explanation on the subject, when there was a general demand for silence. The American lady was to afford us another treat. This time she sang an air from Mozart's Don Giovanni, and I was delighted to find that this masterpiece of the great maestro was not forgotten even three centuries after the composer's death.